1104421221240 has 64 divisors (see below), whose sum is σ = 3313496419200. Its totient is φ = 294491636352.

The previous prime is 1104421221173. The next prime is 1104421221271. The reversal of 1104421221240 is 421221244011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1104421221240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1431571 + ... + 2063549.

It is an arithmetic number, because the mean of its divisors is an integer number (51773381550).

Almost surely, 2^{1104421221240} is an apocalyptic number.

1104421221240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1104421221240 is an abundant number, since it is smaller than the sum of its proper divisors (2209075197960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1104421221240 is a wasteful number, since it uses less digits than its factorization.

1104421221240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646556 (or 646552 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 1104421221240 its reverse (421221244011), we get a palindrome (1525642465251).

The spelling of 1104421221240 in words is "one trillion, one hundred four billion, four hundred twenty-one million, two hundred twenty-one thousand, two hundred forty".